The hormone that blocks milk formation in males and non-pregnant females is:a. PIH
b. inhibin
c. MSH-IH
d. GnRH
e. PRH

Answers

Answer 1
Answer:

Answer:

The correct option is: a. PIH

Explanation:

The PRH or the prolactin-releasing hormone is the hormone responsible for stimulating the release of prolactin from the anterior pituitary gland. Prolactin then stimulates the mammary glands of the mammals, usually females, to produce milk.

The PIH or the prolactin-inhibiting hormone, also known as dopamine, inhibits the production of prolactin and thus blocks the milk formation in males and non-pregnant females.


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The ______________ has the origin on the iliac crest and the insertion on rib 12 and L1-L4 vertebrae.

Answers

Answer:

Quadratus lumborum

Explanation:

Quadratus lumborum, commonly known as back muscle is a posterior abdominal wall muscle. The shape of the muscle is irregular as well as quadrilateral and broader below than above and is the the deepest abdominal muscle.

The muscle originates by the aponeurotic fibers into iliolumbar ligament and internal lip of iliac crest for about 5 centimeters . It then inserts from the lower border of last rib (rib 12) for about the half of it's length and also by the four small tendons from apices of transverse processes of upper four lumbar vertebrae. (L1-L4).

Final answer:

The Quadratus Lumborum muscle originates from the iliac crest and has its insertion on rib 12 and L1-L4 vertebrae. This muscle aids in spinal extension and lateral flexion of the lumbar spine.

Explanation:

The muscle that has its origin on the iliac crest and its insertion on rib 12 and L1-L4 vertebrae is the Quadratus Lumborum muscle. The Quadratus Lumborum originates from the iliac crest, specifically the posterior third portion, and it inserts at the twelfth rib and the transverse processes of the L1-L4 vertebrae. The role of this muscle is to aid in spinal extension and lateral flexion of the lumbar spine. When the muscle contracts bilaterally, it helps with lumbar extension (back extension) and when it contracts unilaterally, it aids in lateral flexion of the spine (sideways bending).

Learn more about Quadratus Lumborum here:

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Why do many cancer patients undergoing chemotherapy lose their hair? A. The cancerous cells take up too much of the body's available energy, leaving none available for hair growth
B. Most types of cancer start in the hair follicles
C. Chemotherapy treatments block the synthesis of keratin, the primary protein
component of hair
D. Chemotherapy treatments disrupt meiosis
E. Chemotherapy treatments stop cell division, and therefore have the most pronounced side effects on tissues that normally have the highest rates of cell division, such as hair

Answers

Answer:

Answer is E.

Explanation:

During chemotherapy, the medications are so strong and powerful that it target and stop all cells that undergo fast rate of division. Hair tissues are one of the fast dividing cells in the body so chemothrapic drugs stop its division resulting in hair fall.

Temporalis is named for the origin of the muscle, what does it do? a. shapes the lips during speech
b. draws the angle of the mouth up as in smiling
c. elevates and retracts the mandible
d. Temporalis does all of the above actions

Answers

Answer:

The correct option is : c. elevates and retracts the mandible

Explanation:

The temporalis muscle or the temporal muscle, is one of the muscles that are involved in the process of mastication or chewing. It is a fan-shaped and broad muscle which belongs to the group of chewing – lower mandible.

Mandible is the lower jaw or the jawbone, is a very strong and the largest bone in the human face.

The main function of the temporalis muscle is the elevation and the refraction of the mandible.

A doctor is explaining treatment options to a patient by using complicated medical jargon, and the patient appears to beconfused. This is best described as a(n)

Answers

Answer:

Explanation: Communication barrier

A random sample of middle age sedentary males was selected from four census tracts, and each man was examined for coronary artery disease. All those having the disease were excluded from the study. All others were randomly assigned to either an exercise group, which followed for a two-year program of systematic exercise or to a control group, which had no exercise program. Both groups were observed semiannually for any difference in the incidence of coronary heart disease.What type of study (study design) you would assign to this information? Why?

Answers

Answer: cohort study

Explanation:

What is Inflammation and what is the underlying mechanism?​

Answers

Answer:

Inflammation is a response triggered by damage to living tissues. The inflammatory response is a defense mechanism that evolved in higher organisms to protect them from infection and injury.

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