Change shape or structure of enzymes

Change rate of production of an enzyme or structural protein

Activate certain genes in the nuclues

Change rate of cellular respiration

A suitable (autonomic) response for a low body temperature is...

Making a fire and wrapping yourself with a blanket

Quiz On Endocrine Glands And Hormones Functions

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| By Jarrod

Jarrod

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Quizzes Created: 1 | Total Attempts: 260

Questions: 12 | Attempts: 263 | Updated: Mar 22, 2023

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The endocrine glands are tasked with production and dispersal of hormones throughout the body. The hormones secreted help the body in growth, sleep, moods and sexual functions. What else do you know about the endocrine glands its functions and the hormones? Give the quiz below and know just how much.

Questions and Answers

1.

Which hormones are secreted from the anterior pituitary gland?
- A.
  
  FSH
- B.
  
  LH
- C.
  
  TSH
- D.
  
  GH
- E.
  
  ACTH
- F.
  
  PRL
- G.
  
  OT
- H.
  
  ADH
- I.
  
  Insulin
Correct Answer(s)
A. FSH
B. LH
C. TSH
D. GH
E. ACTH
F. PRL

Explanation
The anterior pituitary gland secretes several hormones including FSH (follicle-stimulating hormone), LH (luteinizing hormone), TSH (thyroid-stimulating hormone), GH (growth hormone), ACTH (adrenocorticotropic hormone), and PRL (prolactin). These hormones play important roles in regulating various functions in the body such as reproductive processes, thyroid function, growth and development, and the production of milk. OT (oxytocin) and ADH (antidiuretic hormone) are actually produced by the hypothalamus and stored in the posterior pituitary gland, not the anterior pituitary gland. Insulin is produced by the pancreas, not the pituitary gland.

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2.

What nerve connects the hypothalamus to the posterior pituitary gland
- A.
  
  None
- B.
  
  Cranial nerve
- C.
  
  Infundibulum
- D.
  
  Motor Neuron
Correct Answer
C. Infundibulum

Explanation
The infundibulum is a stalk-like structure that connects the hypothalamus to the posterior pituitary gland. It serves as a pathway for the release of hormones produced by the hypothalamus into the bloodstream. Therefore, the infundibulum is the nerve that connects the hypothalamus to the posterior pituitary gland.

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3.

Increased heart rate, dilated bronchioles, and increased sweat secretion are a part of what system?
- A.
  
  Endocrine
- B.
  
  Cardiovascular
- C.
  
  Parasympathetic
- D.
  
  Sympathetic
Correct Answer
D. Sympathetic

Explanation
Increased heart rate, dilated bronchioles, and increased sweat secretion are all physiological responses that are controlled by the sympathetic nervous system. This system is responsible for the "fight or flight" response, which prepares the body for intense physical activity or stress. Activation of the sympathetic nervous system leads to an increase in heart rate, dilation of bronchioles to allow more air into the lungs, and increased sweat secretion to regulate body temperature. Therefore, the correct answer is Sympathetic.

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4.

Osmoreceptors are located in the....

Correct Answer
Hypothalamus

Explanation
Osmoreceptors are specialized cells that detect changes in osmolarity (concentration of solutes) of bodily fluids. They play a crucial role in regulating water balance and controlling thirst. The hypothalamus, a region in the brain, is known to contain osmoreceptors. It receives signals from these osmoreceptors and initiates appropriate responses to maintain the body's fluid balance. Therefore, the correct answer is the hypothalamus.

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4
5.

Haemorrhage is an escape of blood from a ruptured blood vessel
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The statement accurately defines haemorrhage as the escape of blood from a ruptured blood vessel. Therefore, the correct answer is true.

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6.

What is the negative feed back of this loop?

Correct Answer
Increased blood sugar levels

Explanation
The negative feedback of this loop refers to a mechanism that works to counteract or reverse a change in the body. In the case of increased blood sugar levels, the negative feedback would be the body's response to lower the blood sugar levels back to normal. This can be achieved through the release of insulin, a hormone that helps cells take in glucose from the blood. The increase in blood sugar levels triggers the negative feedback response to restore balance and maintain homeostasis.

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1
4 0
7.

Hormones may:
- A.
  
  Change shape or structure of enzymes
- B.
  
  Change rate of production of an enzyme or structural protein
- C.
  
  Activate certain genes in the nuclues
- D.
  
  Change rate of cellular respiration
- E.
  
  Cause cells to explode
Correct Answer(s)
A. Change shape or structure of enzymes
B. Change rate of production of an enzyme or structural protein
C. Activate certain genes in the nuclues

Explanation
Hormones can affect enzymes by changing their shape or structure, which can alter their activity and function. Additionally, hormones can regulate the rate of production of enzymes or structural proteins, thereby influencing cellular processes. Hormones can also activate specific genes in the nucleus, leading to the synthesis of proteins or other molecules that play important roles in cellular activities.

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0
1
8.

A suitable (autonomic) response for a low body temperature is...
- A.
  
  Vasoconstriction and shivering
- B.
  
  Vasodilation and sweating
- C.
  
  Increasing heart rate
- D.
  
  Making a fire and wrapping yourself with a blanket
Correct Answer
A. Vasoconstriction and shivering

Explanation
A suitable autonomic response for a low body temperature is vasoconstriction and shivering. Vasoconstriction refers to the narrowing of blood vessels, which helps to reduce blood flow to the skin and conserve heat. Shivering is a reflexive muscle contraction that generates heat through increased metabolic activity. Both of these responses work together to increase body temperature and maintain homeostasis in cold conditions.

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1
0
9.

What is the stimulus for thirst and water reabsorption
- A.
  
  Dry mouth
- B.
  
  Conscious thought
- C.
  
  Increased osmotic pressure
- D.
  
  Too much urine in bladder
Correct Answer
C. Increased osmotic pressure

Explanation
Increased osmotic pressure is the stimulus for thirst and water reabsorption. When the osmotic pressure in the body increases, it indicates a higher concentration of solutes in the blood and body fluids. This increase in osmotic pressure is detected by specialized cells in the hypothalamus called osmoreceptors. These osmoreceptors then signal the brain to initiate the sensation of thirst, prompting the individual to drink water. Additionally, increased osmotic pressure also stimulates the release of antidiuretic hormone (ADH) from the pituitary gland, which promotes water reabsorption in the kidneys, helping to conserve water in the body.

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10.

What receptor detects blood pressure?
- A.
  
  Osmoreceptors
- B.
  
  Hypothalamus
- C.
  
  Pressure sensors
- D.
  
  Barorecptors
Correct Answer
D. Barorecptors

Explanation
Baroreceptors are specialized sensory receptors that detect changes in blood pressure. They are located in the walls of certain blood vessels, such as the carotid sinus and aortic arch. When blood pressure increases or decreases, baroreceptors send signals to the brain to initiate appropriate responses, such as adjusting heart rate or constricting blood vessels, to maintain blood pressure within a normal range. Therefore, baroreceptors are responsible for detecting blood pressure changes and helping to regulate it.

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11.

Any hormone can bond to any receptor
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The statement "Any hormone can bond to any receptor" is false. Hormones are specific chemical messengers that bind to specific receptors on target cells. The binding of a hormone to its specific receptor triggers a series of cellular responses. The specificity of hormone-receptor interactions ensures that the correct signals are sent to the appropriate target cells in the body. If any hormone could bind to any receptor, it would lead to a chaotic and unregulated signaling system, disrupting normal physiological processes. Therefore, the statement is false.

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Current Version
Mar 22, 2023

Quiz Edited by
ProProfs Editorial Team
Mar 20, 2018

Quiz Created by
Jarrod

Quiz On Endocrine Glands And Hormones Functions

Which hormones are secreted from the anterior pituitary gland?

What nerve connects the hypothalamus to the posterior pituitary gland

Increased heart rate, dilated bronchioles, and increased sweat secretion are a part of what system?

Osmoreceptors are located in the....

Haemorrhage is an escape of blood from a ruptured blood vessel

What is the negative feed back of this loop?

Hormones may:

A suitable (autonomic) response for a low body temperature is...

What is the stimulus for thirst and water reabsorption

What receptor detects blood pressure?

Any hormone can bond to any receptor