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Flashcards in exam 3 Deck (50)
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1

Which of the following determines the response of the body?

A. Receptor
B. Control center
C. Effector
D. All the above are components

B. Control center

2

Which of the following is not a way in which the endocrine system is regulated?

A. Hypothalamus
B. Nervous control
C. Changes in chemical concentration
D. All of the above regulate the endocrine system

D. All of the above regulate the endocrine system

3

Administration of an anti-diuretic compound would lead to which of the following?

A. Decrease in glomerular hydrostatic pressure
B. Increase in glomerular hydrostatic pressure
C. Increased blood volume
D. None of the above
E. Both B and C

E. Both B and C

4

Which of the following hormones is released during a decrease in blood calcium concentrations?

A. Calcitonin
B. Parathyroid Hormone
C. Thyroid Hormone
D. Melatonin

B. Parathyroid Hormone

5

Which of the following leads to an increase in blood pressure by directly increasing water reabsorption?

A. Increased anti-diuretic hormone (ADH) secretion
B. Vasoconstriction
C. Increased aldosterone secretion
D.Increased thirst
E. All of the above

A. Increased anti-diuretic hormone (ADH) secretion

6

Which of the following would be an expected response if the glomerular filtration rate (GFR) was elevated?

A. Vasoconstriction at the efferent arteriole
B. Increase blood volume at the glomerulus
C. Decrease glomerular hydrostatic pressure (GHSP)
D. Vasodilation at the afferent arteriole
E. More than one above

C. Decrease glomerular hydrostatic pressure (GHSP)

7

The conversion of Angiotensinogen to Angiotensin I is mediated by which enzyme?

A. Phosphorylase
B. Protein kinase
C. Renin
D. Angiotensin converting enzyme (ACE)

C. Renin

8

The functional unit of the kidney is the:

A. Nephron
B. Renal corpuscle
C. Renal tubule
D. Loop of Henle

A. Nephron

9

Which of the following hormones is produced by the posterior pituitary gland?

A. Aldosterone
B. Oxytocin
C. Anti-diuretic hormone
D. Both B and C
E. None of the above

E. None of the above

10

The hormone_________stimulates the ________to release cortisol and aldosterone
A. Adrenocorticotrophic hormone; adrenal medulla
B. Adrenocorticotrophic hormone; adrenal cortex
C. Thyroid stimulating hormone; thyroid
D. Thyroid stimulating hormone; adrenal cortex

B. Adrenocorticotrophic hormone; adrenal cortex

11

11. The hormone oxytocin exhibits which of the following types of regulation?

A. Positive feedback
B. Negative feedback
C. Selective feedback
D. None of the above

A. Positive feedback

12

The_____is secreted by the anterior pituitary gland and targets the gonads in both males and females.

A. Follicle stimulating hormone (FSH)
B. Oxytocin
C. Luteinizing hormone (LH)
D. Progesterone
E. Both A and C

E. Both A and C

13

Hashimoto’s disease and Graves’ disease are autoimmune disorders that target which of the following glands?

A. Parathyroid gland
B. Thyroid gland
C. Pituitary gland
D. Thymus gland

B. Thyroid gland

14

Decreased blood volume would result in which of the following ?

A. Decreased aldosterone secretion
B. Increased ADH secretion
C. Decreased blood pressure
D. Increased glomerular hydrostatic pressure (GHSP)
E. More than one is correct

E. More than one is correct

15

Glomerular hydrostatic pressure (GHSP) is the primary force for:

A.Tubular secretion
B. Glomerular filtration
C. Tubular absorption
D. Blood flow

B. Glomerular filtration

16

Which of the following hormones leads to an increase in blood pressure by increasing blood volume?

A. Aldosterone
B. Thyroid hormone
C. Erythopoietin
D. Cortisol

A. Aldosterone

17

Which of the following disorders is due to a deficiency of growth hormone?

A. Pituitary gigantism
B. Pituitary dwarfism
C. Acromegaly
D. None of the above

B. Pituitary dwarfism

18

Which of the following hormones does not increase blood glucose concentrations ?

A. Glucagon
B. Cortisol
C. Insulin
D. Thyroid hormone

C. Insulin

19

Which of the following hormones leads to an increase in red blood cell production (erythropoiesis)?

A. Cortisol
B. Growth hormone
C. Parathyroid hormone
D. Erythropoietin

D. Erythropoietin

20

A decrease in blood pressure would cause which of the following ?

A. A decrease in glomerular filtration rate
B. An increase in glomerular hydrostatic pressure
C. A decrease in glomerular hydrostatic pressure
D. Both A and C

A. A decrease in glomerular filtration rate
B. An increase in glomerular hydrostatic pressure
C. A decrease in glomerular hydrostatic pressure
D. Both A and C

21

Which of the following hormones leads to ovulation and testosterone production, in the female and male system?
A. Luteinizing hormone
B. Follicle stimulating hormone
C. Gonadotropin releasing hormone
D. Epinephrine

A. Luteinizing hormone

22

Which of the following statements is true in regards to the posterior pituitary gland?

A. Produces oxytocin and antidiuretic hormone
B. Stores hormones produced by the Hypothalamus
C. Is controlled via hormones by the Hypothalamus
D. All of the above are true

B. Stores hormones produced by the Hypothalamus

23

Angiotensin I is converted to Angiotensin II via:

A. Angiotensin converting enzyme produced at the liver
B. Angiotensin converting enzyme produced at the lungs
C. Renin produced at the kidneys
D. Renin produced at the liver

B. Angiotensin converting enzyme produced at the lungs

24

The inability to control urination and defecation reflexes is known as :

A. Polyuria
B. Incontinence
C. Diuresis
D. None of the above

b. incontinence

25

Which of the following is true of glomerular filtration?

A. Pressure at the capillaries is greater than the capsule
B. Pressure at the capillaries is equal to the capsule
C. Pressure at the capillaries is lower than the capsule
D. None of the above

A. Pressure at the capillaries is greater than the capsule

26

Tubular secretion predominantly occurs at the ___, while tubular reabsorption predominantly occurs at the ____.
A. Distal convoluted tubules; proximal convoluted tubules
B. Proximal convoluted tubules; distal convoluted tubules
C. Proximal convoluted tubules; peritubular capillaries
D. Descending loop of Henle; ascending loop of henle

A. Distal convoluted tubules; proximal convoluted tubules

27

Which of the following hormones is released from the adrenal medulla?

A. Norepinephrine
B. Epinephrine
C. Cortisol
D. Both A and B

D. Both A and B

28

The fluid that is moved from the glomerulus into Bowman’s capsule is known as:

A. Lymph
B. Filtrate
C. Urine
D. None of the above

B. Filtrate

29

Which of the following statements describes the steroid hormone mechanism of action?

A. Binds to a membrane receptor
B. Utilizes a second messenger
C. Phosphorylates an inactive protein
D. Alters the rate of transcription

D. Alters the rate of transcription

30

Where is human growth hormone produced?

A. Anterior pituitary gland
B. Posterior pituitary gland
C. Hypothalamus
D. Adrenal medulla

A. Anterior pituitary gland