Female Repro
Oocytes are stored in the ovary before and after puberty as?
A) primordial follicles, B) primary follicles, C) secondary follicles, D) Graafian follicles, E) atretic follicles.
A) primordial follicles
Sertoli cells of the testis are principally regulated by which hormone?
A) growth hormone (GH), B) thyroid-stimulating hormone (TSH), C) luteinizing hormone (LH), D) human chorionic hormone (hCG), E) follicle-stimulating hormone (FSH).
E) follicle-stimulating hormone (FSH)
3. Which stomach hormone acts on the hypothalamus to promote the sensation of hunger? A) leptin, B) ghrelin, C) cholecystokinin, D) peptide YY, E) insulin.
B) ghrelin
After a sperm cell combines with an oocyte, what happens next?
A) acrosomal reaction, B) oocyte completes the 2nd meiotic division, C) the total number of chromosomes decreases, D) oocyte immediately “hatches” from the zona pellucida, E) none of the above.
B) oocyte completes the 2nd meiotic division
The implanting blastocyst “rescues” the corpus luteum by? A) secreting large quantities of FSH and LH, B) secreting GnRH, which stimulates the pituitary gland to secrete FSH and LH, C) secreting chorionic gonadotropin (hCG), D) secreting progesterone and estrogen, E) all of the above.
C) secreting chorionic gonadotropin (hCG)
During the process of ovulation what is actually ejected from the ovary? A) primary oocyte, B) secondary oocyte, C) ovum, D) oogonium, E) none of the above.
B) secondary oocyte
Outline the site of action (specific cells) and overall effects of FSH and LH in males
LH stimulates the interstitial endocrine cells of testes to secrete androgens (mainly testosterone)
FSH stimulates the nurse cells of the testes to secrete ABP which binds and accumulates testosterone in the seminiferous tubules and epididymis
4. The unique process of stomach parietal cell HCl production depends on which events?
A) basal Na/K-ATPase exchange and apical HCO3/Cl exchange
B) apical H/K ATPase exchange and basal HCO3/Cl exchange
C) apical Na/K-ATPase exchange and basal HCO3/Cl exchange
D) basal H/K-ATPase exchange and apical HCO3/Cl exchange
E) none of the above.
B) apical H/K ATPase exchange and basal HCO3/Cl exchange
Which combination would best describe a mature (Graafian) follicle just prior to ovulation?
A) Secondary oocyte, zona pellucida, corona radiata, large continuous antrum,
B) Primary oocyte, zona pellucida, corona radiata, large continuous antrum,
C) Secondary oocyte, corona radiata, large continuous antrum,
D) Secondary oocyte, zona pellucida, large continuous antrum, E) none of the above.
A) Secondary oocyte, zona pellucida, corona radiata, large continuous antrum,
Which response would reflect an increase in plasma insulin levels?
A) increase in adipose cell triglyceride synthesis/storage, B) increased liver glucose release, C) increased glucagon production, D) decrease in muscle glycogen, E) none of the above.
A) increase in adipose cell triglyceride synthesis/storage
Beginning on the first day of the menstrual cycle, the order of events in the uterus is?
A) proliferative, secretory, menstrual phases,
B) secretory, proliferative, menstrual phases,
C) menstrual, secretory, proliferative phases,
D) menstrual, proliferative, secretory phases,
E) secretory, menstrual, proliferative phases.
D) menstrual, proliferative, secretory phases
interstitial cells produce what hormone?
testosterone
5. Lipids absorbed across the small intestine epithelium are actually transported away from the gut via the lacteals as?
A) triglycerides, B) monoglycerides and fatty acids, C) chylomicrons, D) pinocytotic vesicles, E) none of the above.
C) chylomicrons
What two cells are created during meiosis I?
1- Secondary Oocyte and 1 - Primary Polar Body
What hormone targets the Primary Oocyte and tells it to complete meiosis I?
Follicle Stimulating Hormone
Outline the site of action (specific cells) and overall effects of FSH and LH in females.
LH: triggers ovulation in ovary
FSH: stimulates the development of ovarian follicles which in turn secrete estrogens, progesterone, inhibin and a small amount of androgen
where sperm gain the ability to swim and fertilize eggs
epididymis
Pancreas enzyme secretion is essential to protein digestion. However, pancreatic proteolytic enzyme activation depends on which enzyme produced by the small intestine epithelial cells?
A) trypsin, B) lipase, C) amylase, D) enterokinase, E) lactase.
D) enterokinase
this is why the testes is located outside the male body
the cooler temperature is necessary for the production of sperm cells or spermatozoa
This type of cell secretes pepsin
chief cell
The first 13 days of the ovarian cycle is called what?
follicular phase
Erection occurs as a result of _______ stimulation, whereas emission occurs as a result of _______ stimulation
parasympathetic, sympathetic
What is the primary effect of insulin on target cells such as muscle and adipose tissue?
A) increases glycolysis, B) causes insertion of membrane glucose transporters, C) causes glycogenolysis, D) inhibits membrane glucose transporters, E) causes fatty acid release.
B) causes insertion of membrane glucose transporters
What hormone causes the gall bladder to contract and Hepatopancreatic sphincter to relax?
CCK
When the pH of chyme is high this hormone is released.
When lipids are in the small intestine this hormone is released.
When the acidic chyme is in the small intestine this hormone is released.
gastrin
CCK
secretin