The involuntary control of breathing originates in the:
A) diencephalon.
B) hypothalamus.
C) cerebral cortex.
D) pons and medulla.
Answer: D) pons and medulla.
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Which structure will sometimes disappear in adults?
A) Spleen B) Sinus C) Thymus D) Pancreas
Of the following items listed below, which is the best description for why skeletal muscle stores glycogen
A) Glycogen provides a smooth surface for filaments to slide on. B) Glycogen is part of muscles rigid supporting framework. C) Skeletal muscle is a heavy consumer of energy. D) The glycogen is an insulating layer that helps regulate body temperature.
Which of the following epithelia can be keratinized?
A) transitional epithelium B) simple columnar epithelium C) stratified columnar epithelium D) stratified squamous epithelium
Routine neonatal testing suggests that a baby lacks a transport protein responsible for the uptake of cysteine in the intestine and kidneys
However, while cysteine accumulates in the urine, its concentration in the plasma is normal when the child receives a diet containing protein. Which intestinal transporter most likely provides for uptake of cysteine in this child? A. CFTR B. NKCC1 C. ENaC D. PepT1 E. SLC6A19