The abbreviation SA node stands for "________."
A) systolic
B) sinoatrial
C) sinus arterial
D) systemic
B
Explanation: A) This is not the meaning of SA.
B) Correct!
C) This is not the meaning of SA.
D) This is not the meaning of SA.
You might also like to view...
Which portion of the hypothalamus controls the posterior pituitary gland? Choose the correct option
A) Parvocellular neurosecretory cells B) Hypothalamopituitary portal circulation C) Magnocellular neurosecretory cells D) Parvocellular neurosecretory cells, hypothalamopituitary portal circulation, and magnocellular neurosecretory cells
Which term refers to an absence or lack of normal oxygen in the blood?
A) tracheostenosis B) anoxia C) pneumonia D) hemothorax
A complication of diabetes causing sensory defects with numbness, tingling, and paresthesias in the fingers and toes is called
A. diabetic dermopathy B. diabetic musculopathy C. diabetic nephropathy D. diabetic neuropathy E. diabetic retinopathy
The most common malignant tumor of the epithelial tissue that occurs most often on areas of the skin exposed to the sun is..?
a. lung cancer b. basal cell carcinoma c. adenocarcinoma d. oral leukoplakia