1. H+ and K+ are reabsorbed in the collecting duct.
2. H2O is about 60% of body weight in young adults.
3. A hormone is distinguished from a neurocrine substance by being a different class of chemical.
4. Receptor numbers are increased when their stimulating hormone increases.
5. Hormones from the hypothalamus control the posterior pituitary.
6. Somatostatin stimulates GH secretion.
7. UV light begins the activation of VitD3 in the kidneys.
8. The movement of H2O is by active transport.
9. The major chemical buffers in the body are proteins.
10. Inadequate parathormone levels cause hypoexcitability.
11. Exocrine glands secrete into ducts.
12. The HCO3-/ H2CO3 system is a major regulator of pH because they are major chemical buffers in the body.
13. Posterior pituitary hormones are formed in the hypothalamus.
14. Oxytocin causes maternal love
15. Growth hormone has mainly catabolic effects in response to stress in an adult.
16. Decreased blood nutrients are stimuli for insulin secretion.
17. A characteristic set of parameter values for compensated metabolic acidosis are
pH [HCO3-] (meq/L) pCO2 (mm Hg)
- a. 7.4 25 40
b. 7.0 15 40
c. 7.2 15 30
d. 7.0 25 50
e. 7.2 35 50
18. Amino acid derived hormones
- a. act through second messengers
a. act through activating DNA
b. act slowly
d. two of the above
e. all of the above
19. ADH
- a. is secreted in response to cervical stretch
b. is secreted in response to suckling
c. causes renal retention of H2O in the body
d. two of the above
e. all of the above
20. Growth hormone secretion is increased by
- a. low blood sugar
b. increased blood amino acids
c. stress
d. two of the above
e. all of the above
21. Control of anterior pituitary secretion can occur at the
- a. hypothalamus
b. anterior pituitary
c. medulla
d. two of the above
e. all of the above
22. Thyroxine
- a. is an amino acid derived hormone
b. activates mRNA synthesis
c. synergizes with epinephrine
d. two of the above
e. all of the above
23. Parathormone
- a. decreases bone resorption
b. decreases renal reabsorption of Ca++
c. decreases renal reabsorption of PO4
d. two of the above
e. all of the above
.
The graphs above represents certain hormones over the time of the menstrual cycle.
24. Graph B represents
- a. FSH
b. estrogen
c. progesterone
d. two of the above
e. all of the above