Interferons are particularly crucial for helping to fight _____________ infected cells. (QID 133214)
A. bacteria
B. yeast
C. ameba
D. virus
The ______________ functions as the main muscle of respiration and is innervated by the __________ nerve. (QID 133213)
A. masseter, trigeminal
B. esophagus, vagus
C. diaphragm, phrenic
D. sternocleidomastoid, accessory
In the gastrointestinal tract, both bile and pancreatic enzymes that aid in the chemical digestion of food are excreted directly into the _______________ of the small intestines. (QID 133212)
A. duodenum
B. ileum
C. colon
D. jejunum
In the gastrointestinal tract, where does the majority of water absorption take place? (QID 133211)
A. small intestine
B. stomach
C. esophagus
D. rectum
In the alimentary canal, while vitamin B12 is absorbed in the ______________, vitamin K is absorbed in the _____________. (QID 133210)
A. mouth, stomach
B. liver, pancreas
C. ilium, colon
D. esophagus, anus
In the male reproductive system, which of the following is the function of the prostate and seminal vesicles? (QID 133209)
A. Provide a lumen for sperm to migrate through during ejaculation
B. The primary source of fructose and fluid lubrication for sperm
C. A source of testosterone to help sperm develop on its way to the urethra
D. Act as a source of bladder obstruction for urine flow during an erection
In the female reproductive cycle, ovarian ovulation is under the control of which of the following hormones? (QID 133208)
A. Luteinizing hormone
B. Inhibin
C. Dihydro-Testosterone
D. FSH
In addition to maintaining the body’s mineral balance, this organ also helps regulate the production of red blood cells. Which organ is this? (QID 133207)
A. heart
B. pancreas
C. kidneys
D. liver
The parietal cells in the stomach are responsible for producing __________ which maintains a ____________ inside the stomach for chemical breakdown of food. (QID 133206)
A. HCl, pH of 2
B. NaOH, pH of 10
C. CaCl2, pH of 4
D. H2O, pH of 7
The renal nephrons help to maintain systemic water balance by reabsorbing ___, which cause water to follow by ____________. (QID 133205)
A. K+, filtration
B. Na+, osmosis
C. Cl-, active transport
D. NH4+, facilitated diffusion