Hematologic System (Practice Mode)- Www.Rnpedia.Com
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Questions and Answers
- 1.
Prothrombin is a ____ globulin and is produced by the _____.
- A.
Alpha, Kidney
- B.
Alpha, Liver
- C.
Beta, Kidney
- D.
Beta, Liver
Correct Answer
B. Alpha, LiverExplanation
Prothrombin is a globulin that is produced by the liver.Rate this question:
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- 2.
The right coronary artery divides to form the posterior interventricular artery and the ___ artery.
- A.
Marginal
- B.
LVC
- C.
RVC
- D.
LAD
Correct Answer
A. MarginalExplanation
The right coronary artery divides to form the posterior interventricular artery and the marginal artery.Rate this question:
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- 3.
Blood flowing into the cardiac veins enters the _______ next.
- A.
Coronary Sinus
- B.
Left Ventricle
- C.
Right Ventricle
- D.
Left Atrium
Correct Answer
A. Coronary SinusExplanation
Blood flowing into the cardiac veins enters the coronary sinus next. The coronary sinus is a large vein located on the posterior side of the heart. It collects deoxygenated blood from the cardiac veins and then delivers it into the right atrium of the heart. This allows for the blood to be returned to the heart and eventually pumped to the lungs for oxygenation.Rate this question:
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- 4.
If you are using a stethoscope and trying to detect the tricuspid valve which of the following would be the best location?
- A.
Within 2 inches of the xyphoid process
- B.
On the right side of the sternum
- C.
On the left side of the sternum near the midpoint
- D.
On the left side of the sternum near the midpoint of the sixth rib
Correct Answer
A. Within 2 inches of the xyphoid processExplanation
The tricuspid valve is located on the right side of the sternum, close to the xyphoid process. By placing the stethoscope within 2 inches of the xyphoid process, one can effectively listen to the sounds produced by the tricuspid valve.Rate this question:
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- 5.
Which of the following occurs during ventricular systole?
- A.
Increased aortic pressure
- B.
Increased ventricular volume
- C.
Dup heart sound
- D.
P wave
Correct Answer
A. Increased aortic pressureExplanation
During ventricular systole, the ventricles of the heart contract, leading to an increase in aortic pressure. This occurs as the blood is pumped out of the left ventricle and into the aorta, causing the pressure in the aorta to rise. This increase in pressure allows for the efficient delivery of oxygenated blood to the rest of the body.Rate this question:
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- 6.
Which of the following occurs during ventricular diastole?
- A.
Increased aortic pressure
- B.
Increased ventricular volume
- C.
Lub heart sound
- D.
T wave
Correct Answer
B. Increased ventricular volumeExplanation
During ventricular diastole, the ventricles of the heart are relaxed and filling with blood. This is the phase of the cardiac cycle where the ventricles are not contracting. Increased ventricular volume refers to the process of the ventricles expanding and filling with blood during this phase. This is necessary to ensure that an adequate amount of blood is available to be pumped out of the heart during the subsequent contraction phase, known as ventricular systole.Rate this question:
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- 7.
The innermost layer of a blood vessel is lined with _______ ______ cells
- A.
Simple squamous
- B.
Stratified squamous
- C.
Simple cuboidal epithelium
- D.
Stratified cuboidal epithelium
Correct Answer
A. Simple squamousExplanation
The innermost layer of a blood vessel is lined with simple squamous cells. Simple squamous epithelium is a single layer of flat, thin cells that allows for the easy diffusion of gases, nutrients, and waste products between the blood and surrounding tissues. This type of epithelium is well-suited for its function in blood vessels, as it provides a smooth surface for blood flow and allows for efficient exchange of substances. Simple cuboidal and stratified cuboidal epithelium are not typically found in the lining of blood vessels, while stratified squamous epithelium is more commonly found in areas subjected to mechanical stress, such as the skin.Rate this question:
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- 8.
Angiotension can directly cause the release of ____ from the adrenal cortex.
- A.
Renin
- B.
Aldosterone
- C.
Calcitonin
- D.
Thyroxine
Correct Answer
B. AldosteroneExplanation
Angiotensin is a hormone that is involved in regulating blood pressure and fluid balance in the body. It is produced by the kidneys and acts on the adrenal cortex to stimulate the release of aldosterone. Aldosterone is a hormone that helps to regulate the balance of sodium and potassium in the body, which in turn affects blood pressure. Therefore, angiotensin can directly cause the release of aldosterone from the adrenal cortex.Rate this question:
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- 9.
Cardiac output is the product of ____ and ____.
- A.
HR and Disastolic pressure
- B.
HR and Stroke Volume
- C.
HR and EF
- D.
Diastolic and Systolic pressure
Correct Answer
B. HR and Stroke VolumeExplanation
Cardiac output is the volume of blood pumped by the heart per minute. It is calculated by multiplying the heart rate (HR), which is the number of heartbeats per minute, with the stroke volume (SV), which is the amount of blood pumped out of the heart with each heartbeat. Therefore, the correct answer is HR and Stroke Volume.Rate this question:
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- 10.
Pulmonary edema is most like associated with a failing _____ _____.
- A.
Right atrium
- B.
Left atrium
- C.
Right ventricle
- D.
Left ventricle
Correct Answer
D. Left ventricleExplanation
Pulmonary edema is the accumulation of fluid in the lungs, which can lead to difficulty breathing. This condition is most commonly associated with a failing left ventricle. The left ventricle is responsible for pumping oxygenated blood from the lungs to the rest of the body. When it fails to function properly, blood can back up into the lungs, causing fluid to leak into the air sacs. This results in pulmonary edema.Rate this question:
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- 11.
Which of the following is the first branch off the aortic arch?
- A.
Common carotid
- B.
Brachiocephalic
- C.
Right Subclavian
- D.
Thoracic
Correct Answer
B. BrachiocephalicExplanation
The first branch off the aortic arch is the brachiocephalic artery. This artery is responsible for supplying blood to the right subclavian artery and the right common carotid artery. It is the first branch because it originates directly from the aortic arch before further branching into the subclavian and common carotid arteries.Rate this question:
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- 12.
The brachiocephalic artery divides to form the right common carotid and the ____ ____ artery.
- A.
Left subclavian
- B.
Right subclavian
- C.
Left common carotid
- D.
Right thoracic artery
Correct Answer
B. Right subclavianExplanation
The brachiocephalic artery is a major blood vessel that branches off into the right common carotid and the right subclavian artery. The left subclavian artery is not a branch of the brachiocephalic artery, so it is not the correct answer. The left common carotid artery is also not a branch of the brachiocephalic artery. The right thoracic artery is not mentioned in relation to the brachiocephalic artery, so it is not the correct answer. Therefore, the correct answer is the right subclavian artery.Rate this question:
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- 13.
Which of the following arteries creates the left spenic, hepatic and gastric arteries?
- A.
Left sacral artery
- B.
Celiac artery
- C.
Suprarenal artery
- D.
Phrenic artery
Correct Answer
B. Celiac arteryExplanation
The celiac artery is responsible for creating the left splenic, hepatic, and gastric arteries. The celiac artery is a major branch of the abdominal aorta and supplies blood to the upper abdominal organs, including the spleen, liver, and stomach. It branches into the left splenic artery, left gastric artery, and common hepatic artery, which further divides into the proper hepatic artery and the gastroduodenal artery.Rate this question:
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- 14.
Which of the following is not considered a major branch off of the descending thoracic aorta?
- A.
Mediastinal artery
- B.
Renal artery
- C.
Bronchial artery
- D.
Posterior intercostals artery
Correct Answer
B. Renal arteryExplanation
The renal artery is not considered a major branch off of the descending thoracic aorta. The descending thoracic aorta gives rise to several major branches, including the mediastinal artery, bronchial artery, and posterior intercostals artery. However, the renal artery arises from the abdominal aorta, not the thoracic aorta. It supplies blood to the kidneys and is responsible for carrying waste products away from them.Rate this question:
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- 15.
Which of the following is not considered a major branch off of the abdominal aorta?
- A.
Phrenic artery
- B.
Common iliac artery
- C.
Gonadal artery
- D.
Mediastinal artery
Correct Answer
D. Mediastinal arteryExplanation
The abdominal aorta is a major blood vessel that supplies oxygenated blood to the abdominal organs. The phrenic artery, common iliac artery, and gonadal artery are all branches off of the abdominal aorta. However, the mediastinal artery is not considered a major branch off of the abdominal aorta. The mediastinal artery typically arises from the thoracic aorta and supplies blood to the mediastinum, which is the area between the lungs.Rate this question:
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- 16.
Which of the following is not considered a major branch off of the femoral artery?
- A.
Superficial pudendal arteries
- B.
Deep external pudendal arteries
- C.
Superficial circumflex iliac artery
- D.
Deep circumflex iliac artery
Correct Answer
D. Deep circumflex iliac arteryExplanation
The deep circumflex iliac artery is not considered a major branch off of the femoral artery. The femoral artery gives rise to several branches, including the superficial pudendal arteries, deep external pudendal arteries, and superficial circumflex iliac artery. However, the deep circumflex iliac artery arises from the external iliac artery, not the femoral artery.Rate this question:
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- 17.
Which of the following is not considered a tributary of the portal vein?
- A.
Inferior mesenteric vein
- B.
Splenic vein
- C.
Left gastric vein
- D.
Subclavian vein
Correct Answer
D. Subclavian veinExplanation
The subclavian vein is not considered a tributary of the portal vein. The portal vein receives blood from various organs in the abdominal region, including the inferior mesenteric vein, splenic vein, and left gastric vein. The subclavian vein, on the other hand, drains blood from the upper extremities and does not contribute to the portal vein's blood supply.Rate this question:
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- 18.
Inside the cranial cavity the vertebral arteries form the ____ artery.
- A.
Basilar
- B.
Common Carotid
- C.
MCA
- D.
PCA
Correct Answer
A. BasilarExplanation
Inside the cranial cavity, the vertebral arteries come together to form the basilar artery. This artery is responsible for supplying oxygenated blood to the brainstem, cerebellum, and the posterior cerebral hemispheres. It plays a crucial role in maintaining proper blood flow and nourishment to these areas of the brain.Rate this question:
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- 19.
Pulse pressure (pp) is considered the _____.
- A.
Difference between the systolic and diastolic pressure
- B.
The sum of the systolic and diastolic pressure
- C.
The inverse of the blood pressure
- D.
Half of the systolic pressure
Correct Answer
A. Difference between the systolic and diastolic pressureExplanation
Pulse pressure (pp) is defined as the difference between the systolic and diastolic pressure. It is calculated by subtracting the diastolic pressure from the systolic pressure. This measurement is important because it reflects the force exerted by the heart during each heartbeat and can provide information about the elasticity and health of the arteries. The sum of the systolic and diastolic pressure, the inverse of the blood pressure, and half of the systolic pressure are not accurate descriptions of pulse pressure.Rate this question:
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- 20.
_____ nerves can be found joining the SA and AV nodes in the heart.
- A.
Accelerator
- B.
Phrenic
- C.
Thoracic
- D.
Gastric
Correct Answer
A. AcceleratorExplanation
Accelerator nerves can be found joining the SA and AV nodes in the heart. These nerves are responsible for increasing the heart rate and enhancing the conduction of electrical impulses between the nodes. They play a crucial role in regulating the heart's rhythm and ensuring efficient blood flow throughout the body.Rate this question:
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Mar 20, 2023Quiz Edited by
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May 18, 2012Quiz Created by
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