describe the structure of a generalized plasma membrane . Include the major components (lipids,proteins,glycolipids, polysaccharides).Describe transport mechanisms by which materials move into and out cells.

MULTIPLE CHOICE QUESTIONS

QUESTION 14

1. Where does haematopoiesis take place?

   	1.	Lungs
   	2.	Pancreas
   	3.	Liver
   	4.	Bone marrow.

1 points   

QUESTION 15

1. The greatest medical problem with the Rh blood group is:           

   	1.	transfusion incompatibility
   	2.	chronic anemia for Rh negative individuals
   	3.	chronic anemia for Rh positive individuals
   	4.	none of the above

1 points   

QUESTION 16

1. In the ABO blood system, you normally can be type:

   	1.	A
   	2.	B
   	3.	ABO
   	4.	A, B, AB, or O
   	5.	All of the above

1 points   

QUESTION 17

1. When blood clumps or forms visible islands in the still liquid plasma, it is called:

   	1.	clotting
   	2.	agglutination
   	3.	none of the above

1 points   

QUESTION 18

1. More commonly called platelets

   	1.	Erythrocytes
   	2.	Leukocytes
   	3.	Thrombocytes

1 points   

QUESTION 19

1. Mother-fetus Rh blood type incompatibility problems can occur if the mother is _____ and her fetus is

   	1.	Rh positive; Rh positive
   	2.	Rh positive; Rh negative
   	3.	Rh negative; Rh positive
   	4.	Rh negative; Rh negative
   	5.	b and c

1 points   

QUESTION 20

1. An increased white blood cell count is indicative of which disease?

   	1.	Lupus
   	2.	Leukaemia
   	3.	Anaemia
   	4.	Melanoma

1 points   

QUESTION 21

1. Which of the following is the function of white blood cells?

   	1.	Transport oxygen.
   	2.	Maintain homeostasis.
   	3.	Defend against infection.
   	4.	Produce haemoglobin.

1 points   

QUESTION 22

1. More commonly called red blood cells

   	1.	Erythrocytes
   	2.	Leukocytes
   	3.	Thrombocytes

1 points   

QUESTION 23

1. Which of the following statements about erythrocytes is correct?

   	1.	They fight infection.
   	2.	They clot blood.
   	3.	They lack a nucleus.
   	4.	They are produced in the spleen

1 points   

QUESTION 24

1. What would happen to red blood cells if the haem group were removed from haemoglobin?

   	1.	Red blood cells would not be able to bind oxygen
   	2.	Red blood cells would not be able to reproduce
   	3.	White blood cells would not be able to reproduce
   	4.	Blood clot formation would be inhibited.

1 points   

QUESTION 25

1. Venous blood is :

   	1.	Bluish
   	2.	Dark red
   	3.	Bright red
   	4.	Pale red

discuss the steps of how a skeletal muscle contracts.

MULTIPLE CHOICE QUESTIONS

QUESTION 1

1. Most of the volume of normal human blood is composed of:

   	1.	red cells
   	2.	hemoglobin
   	3.	plasma
   	4.	white cells

QUESTION 2

1. Also called white blood cells

   	1.	Thrombocytes
   	2.	Erythrocytes
   	3.	Platelets
   	4.	Leukocytes

QUESTION 3

1. Platelets are formed from what type of cell?

   	1.	Melanocytes
   	2.	Macrophages
   	3.	Astrocytes
   	4.	Megakaryocytes

QUESTION 4

1. Which of the following statements is true regarding the ABO blood system?

   	1.	People who have the A antigen normally would not produce the anti-A antibody.
   	2.	People who are type AB normally produce both anti-A and anti-B antibodies
   	3.	The only ABO type blood that normally does not have either A or B antigens is AB.

QUESTION 5

1. Hematopoietic organs of fetus

   	1.	Liver and spleen
   	2.	Bone marrow of flat bone
   	3.	Kidney and spleen
   	4.	Epiphyses of long bone

QUESTION 6

1. The relatively clear liquid medium which carries the other cells of blood is called:

   	1.	lipid
   	2.	antibody
   	3.	plasma

QUESTION 7

1. Which of the following statements is true about the ABO blood system?

   	1.	It was discovered in the 1950's
   	2.	It was discovered by Karl Landsteiner
   	3.	Few people are actually typed for this system because of the difficulty of the procedure and high cost.
   	4.	a and b

1 points   

QUESTION 8

1. The hormone erythropoietin stimulates red blood cell production in the red bone marrow. Where in the body is erythropoietin produced?

   	1.	Spleen
   	2.	Kidney
   	3.	Liver
   	4.	Thyroid

1 points   

QUESTION 9

1. Hematopoietic organs of adults

   	1.	Liver and spleen
   	2.	Kidney and spleen
   	3.	Epiphyses of long bone
   	4.	Bone marrow of flat bone

1 points   

QUESTION 10

1. When a fetus' blood is agglutinated by its mother's Rh antibodies, the severe anemia that results is called:     

   	1.	immunization
   	2.	ectopic pregnancy
   	3.	erythroblastosis fetalis

1 points   

QUESTION 11

1. Average value of an adult's hematocrit

   	1.	80 %
   	2.	45 %
   	3.	70%
   	4.	30%

1 points   

QUESTION 12

1. Thrombocytes are not blood cells

   True

   False

1 points   

QUESTION 13

1. Hematopoiesis

   	1.	formation and maturation of blood cells from hematopoietic stem cells
   	2.	breakdown of red blood cells
   	3.	formation of leukocytes
   	4.	color pigment of red blood cells

It is important to recognize that even though a male might have adequate sperm production in the testes, depletion of the reserves in the cauda epididymis can occur rapidly. From a practical standpoint, how many females can a animal male service in a day? Explain your reasoning.

1. Describe structural difference of the two main types of hormones, their mechanisms of action on target cells and the three types of stimuli regulating their secretion.

2. Describe how red blood cells are produced and based on their structure, how they transport gases in the blood.

3. Describe in detail the four regulating mechanisms of stroke volume and how it influences cardiac output.

I was looking for help in these three questions for my anatomy and physiology class. Thanks!

Hank, a 17-year-old high school student, suffered a heart attack during a recreational swim. An autopsy revealed that he had had atherosclerosis and that his death had been caused by coronary artery disease. What might have been the cause of this disease that usually strikes a person much older than Hank?

1. Enterochromaffin-like cells of the gastric mucosa can be triggered to release histamine. Histamine, in this case, causes nearby parietal cells of the stomach lining to produce hydrochloric acid. The effect of histamine on parietal cells would best be described as a(n) ________.

2. Which of the following statements is true of amino acid-based hormones?

3. Cyclic AMP (cAMP), diacylglycerol (DAG), inositol triphosphate (IP₃), and calcium ions can serve as second messengers.

4. Which of the following is NOT a component of the cyclic AMP signaling mechanism?

5. The effect of a hormone on a target cell may be decreased by the presence of ________.

6. Hormones that bind to plasma proteins ________.

7. Which of the following is correctly matched?

Please answer the questions with a, b, c or d as the answers wont really need explanations. Thanks

Compare and contrast the wall of the GI tract in the following regions: mouth, esophagus, stomach, small intestine, and large intestine. How does the wall change throughout the course of the body? Be specific. What additional cells and glands are present in each section and what do they do? Be specific.

what is the major function of the skin an d how is it accomplished?

Na⁺
159 mEq / liter (Normal = 136-145 mEq / liter)
K⁺       
4.9 mEq / liter (Normal = 3.5-5.0 mEq / liter)
C1^-
100 mEq / liter (Normal = 96-106 mEq / liter)

Will the interstitial fluid increase or decrease the "osmolarity"(concentration) due to the nurse's mistake?Which electrolytes were out of the normal range and in which direction? 

Given your knowledge of osmosis, will the patient’s cells increase or decrease in size? Explain your answer. 

Can you explain why the patient may have edema? 

What is the function of aldosterone and how will the increase in osmolarity affect the blood aldosterone levels? 

Is Mr. Kaunda susceptible to hyponatrenia or hypernatremia? What possible symptoms could Mr. Kaunda develop from his present (osmotic) condition? 

Are there any other normal homeostatic mechanisms that the body has, to control the situation Kaunda faces? How might it react in this situation?