Gross Anatomy Quiz Questions And Answers

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Quizzes Created: 1 | Total Attempts: 1,305

Questions: 10 | Attempts: 1,305 | Updated: Jun 17, 2024

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Are you studying anatomy? Our fun yet informative " Gross Anatomy Quiz Questions And Answers" can help you prepare for your anatomy test in the best possible way! Gross anatomy refers to the scientific study of the visible or non-microscopic parts of the body that can't be viewed outside but can be seen with scans, x-rays, or dissection. It enables the operation of things at the microscopic level. This quiz has been created to test your knowledge about the gross anatomy of the human body. So, let's try out the quiz. All the best!

Questions and Answers

1.

Which of the following is not a muscle identified in the rotator cuff?
- A.
  
  Teres Major
- B.
  
  Teres Minor
- C.
  
  Infraspinatus
- D.
  
  Supraspinatus
Correct Answer
A. Teres Major

Explanation
The correct answer is Teres Major. The rotator cuff is a group of muscles and tendons that surround the shoulder joint and help stabilize and move the shoulder. The muscles identified in the rotator cuff are Teres Minor, Infraspinatus, and Supraspinatus. Teres Major is not part of the rotator cuff, but it is a muscle located in the back of the upper arm.

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2.

Which of the following is not a component of the unhappy triad?
- A.
  
  MCL
- B.
  
  PCL
- C.
  
  ACL
- D.
  
  Medial Meniscus
Correct Answer
B. PCL

Explanation
The unhappy triad, also known as O'Donoghue's triad, is a knee injury that involves the tearing of three structures: the medial collateral ligament (MCL), the anterior cruciate ligament (ACL), and the medial meniscus. The posterior cruciate ligament (PCL) is not a component of the unhappy triad.

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3.

Which of the following spinal dermatome level corresponds with the landmark of the inguinal ligament?
- A.
  
  T10
- B.
  
  L1
- C.
  
  L3
- D.
  
  L5
Correct Answer
B. L1

Explanation
The inguinal ligament is a landmark located in the lower abdomen. It is formed by the lower border of the aponeurosis of the external oblique muscle. The spinal dermatome level that corresponds with the landmark of the inguinal ligament is L1. This means that the sensory innervation from the skin overlying the inguinal ligament is supplied by the spinal nerves exiting the spinal cord at the L1 level.

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4.

What is the approximate weight of each kidney in a healthy adult male?
- A.
  
  130 - 169 g
- B.
  
  115–155 g
- C.
  
  125–175 g
- D.
  
  Option 4
Correct Answer
C. 125–175 g

Explanation
The approximate weight of each kidney in a healthy adult male is between 125-175 grams.

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5.

Which structure separates the atria from the ventricles in the heart?
- A.
  
  Coronary sinus
- B.
  
  Papillary muscles
- C.
  
  Pulmonary aorta
- D.
  
  Heart valves
Correct Answer
D. Heart valves

Explanation
The heart valves are the structures that separate the atria from the ventricles in the heart. These valves ensure that blood flows in only one direction, preventing backflow and maintaining the proper circulation of blood throughout the heart. There are four heart valves: the tricuspid valve, the pulmonary valve, the mitral valve, and the aortic valve. Each valve plays a crucial role in regulating the flow of blood and maintaining the efficiency of the heart's pumping action.

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6.

Which of the following eye muscles rotates the eye downward and away from midline?
- A.
  
  Inferior oblique
- B.
  
  Inferior rectus
- C.
  
  Superior rectus
Correct Answer
A. Inferior oblique

Explanation
The inferior oblique muscle is responsible for extorsion (rotating the top of the eye away from the nose), elevation (moving the eye upward), and abduction (moving the eye away from the midline).

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7.

Which of the following supplies the muscles of the perineum?
- A.
  
  Pudendal nerve
- B.
  
  Sciatic nerve
- C.
  
  Femoral nerve
- D.
  
  Tibial nerve
Correct Answer
A. Pudendal nerve

Explanation
The pudendal nerve supplies the muscles of the perineum. This nerve originates from the sacral plexus and innervates the muscles in the pelvic floor, including the external anal sphincter, urethral sphincter, and the muscles involved in sexual function. It also provides sensory innervation to the perineum, including the genitalia and anal region. The other options, sciatic nerve, femoral nerve, and tibial nerve, do not specifically supply the muscles of the perineum.

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8.

Which of the following nerves innervates the teres minor muscle?
- A.
  
  Subscapular nerve
- B.
  
  Suprascapular nerve
- C.
  
  Axillary nerve
- D.
  
  Pectoral nerve
Correct Answer
C. Axillary nerve

Explanation
The axillary nerve innervates the teres minor muscle. The axillary nerve is a branch of the brachial plexus and supplies motor innervation to the teres minor, as well as the deltoid muscle. It also provides sensory innervation to the skin over the deltoid muscle. The other nerves listed, such as the subscapular nerve, suprascapular nerve, and pectoral nerve, do not innervate the teres minor muscle.

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9.

Which of the following is the most common site of disc herniation?
- A.
  
  C6-7
- B.
  
  T12-L1
- C.
  
  L4-5
- D.
  
  L5-S1
Correct Answer
D. L5-S1

Explanation
The most common site of disc herniation is the L5-S1 level. This is because the L5-S1 disc is located at the lowest part of the lumbar spine, where the spine transitions into the sacrum. This area bears the most weight and is subject to the most movement, making it more prone to degeneration and disc herniation. Additionally, the L5-S1 disc is responsible for transmitting forces between the spine and the pelvis, further increasing the risk of herniation at this level.

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10.

Which of the following passageways contain the facial nerve and blood vessels?
- A.
  
  Stylomastoid foramin
- B.
  
  Inferior orbital fissure
- C.
  
  Foramen ovale
- D.
  
  Carotid canal
Correct Answer
A. Stylomastoid foramin

Explanation
The stylomastoid foramen is a passageway located in the temporal bone that contains the facial nerve and blood vessels. This foramen allows the facial nerve to exit the skull and innervate the muscles of facial expression. Additionally, it provides a pathway for blood vessels that supply the face and scalp. The other options, such as the inferior orbital fissure, foramen ovale, and carotid canal, do not contain the facial nerve and blood vessels.

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Current Version
Jun 17, 2024

Quiz Edited by
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Nov 22, 2007

Quiz Created by
Tortola5

Gross Anatomy Quiz Questions And Answers

Which of the following is not a muscle identified in the rotator cuff?

Which of the following is not a component of the unhappy triad?

Which of the following spinal dermatome level corresponds with the landmark of the inguinal ligament?

What is the approximate weight of each kidney in a healthy adult male?

Which structure separates the atria from the ventricles in the heart?

Which of the following eye muscles rotates the eye downward and away from midline?

Which of the following supplies the muscles of the perineum?

Which of the following nerves innervates the teres minor muscle?

Which of the following is the most common site of disc herniation?

Which of the following passageways contain the facial nerve and blood vessels?