Intrinsic factor and hydrochloric acid (HCl) are produced by which of the following?
a.) parietal cells
b.) hepatocytes
c.) pancreatic acini
d.) chief cells
Answer: a.) parietal cells
You might also like to view...
Cerebrospinal fluid is found in the
A. subarachnoid space. B. ventricles of the brain. C. cisterns of the brain. D. central canal of the spinal cord. E. All of the above
What is hemostasis?
A. The maintenance of relatively stable conditions in the internal environment B. A disease in which blood clot formation is impaired C. The set point for normal arterial blood pressure D. The prevention or stoppage of blood loss E. A protein inside red blood cells that binds oxygen with high affinity
You embark on a hiking trip on Mt. Kilimanjaro (altitude = 19,000 ft; Atmospheric air pressure = 379 mmHg).mHg). As you ascend, what are you likely to notice about your breathing?
A. You need to work harder to inhale, expanding your thoracic size beyond what is normal B. You need to work to exhale, using your muscles to decrease your thoracic size beyond what is normal C. Both would happen D. Neither would happen
Erection of the penis occurs when
A. the pubic bones move together. B. the bulbourethral muscles contract. C. lymphatic fluid accumulates in the glans penis. D. penile erectile tissue becomes engorged with blood. E. smooth muscle contraction occurs in ductus deferens.