Oxygen-sensitive cells (peritubular cells) in kidney secrete which hormone to trigger increase in red blood cell production in the bone marrow?

In response to LH, ___________ produce and secrete testosterone in the testis.

The breakdown of hemoglobin from RBCs releases a pale yellow colored pigment known as:

Which of the following blood vessels contain predominantly elastin (i.e. elastic fibers)?

Calculate the pulse pressure (PP) given a patient’s DP is 80 mmHg and SP is 120 mmHg. ________ mmHg

An example of active artificial immunity is:

Blood flow to tissues can be regulated by:

Which part of the sperm cells contain mitochondria to provide energy?

What is the normal range of specific gravity of urine? ______-______ (use three decimal places for each number)

Which the following antibody classes (isotypes) is the most prevalent in the blood?