A&P 2 Lecture Exam
A&P 2 Lecture Exam
Test your knowledge of anatomy and physiology with our comprehensive quiz designed for students and educators alike. This quiz consists of 23 questions covering a wide range of topics related to the endocrine system, blood physiology, and cardiovascular mechanics.
- Challenge yourself with multiple choice and checkbox questions.
- Instant feedback on your answers.
- Great for exam preparation and review!
___are secreted by one cell into the tissue fluid, diffuse to nearby cells in the same tissue and stimulate their physiology.
Neurotransmitters
Hormones
Parahormones
Neuromodulators
Paracrines
Negative feedback inhibition occurs when__.
Thyroid hormone (TH) targets the anterior pituitary
Thyroid-stimulating hormone (TSH) targets the thyroid gland
Thyrotropin-releasing hormone (TRH) targets the thyroid gland
Thyrotropin-releasing hormones (TRH) targets the anterior pituitary
Hypothyroidism is characterized by low metabolic rate, sluggishness and sleepiness
True
False
The initial response to stress is called_____ and is mediated mainly by_____.
Resistance stage; cortisol
Resistance stage; aldosterone
Alarm reaction;norepinephrine and epinephrine
Alarm reaction; cortisol
Exhaustion stage; norepinephrine and epinephrine
The ____ secrets several hormones that stimulate the development of lymphatic organs and regulates development and activity of T cells (White blood cells)
Spleen
Adrenal gland
Parathyroid
Thymus
Thyroid
Antidiuretic hormone (ADH) targets the ______.
Anterior pituitary
Pancreas
Adrenal gland
Hypthalamus
Kidneys
Which of the following is NOT a steroid hormone?
Aldosterone
Insulin
Cortisol
Progesterone
Which hormone stimulates glucocorticoid secretion?
CRH
GHIH
GHRH
ACTH
TSH
The hypophyseal portal system connects the ____ with the _____.
Anterior pituitary; hypothalamus
Posterior pituitary; hypothalamus
Anterior pituitary; posterior pituitary
Hypothalamus; thyroid
Which of the following is NOT contained in the buffy coat?
Platelets
Agranulocytes
Granulocytes
Erythrocytes
Lymphocytes
Which of the following is NOT normally found in the plasma?
Albumin
Fibrinogen
Glucose
Glycogen
Urea
The viscosity of blood is due more to the presence of _____ than any other factor.
Sodium
Nitrogenous waste
Erythrocytes
Albumin
Fibrin
Incompatibility of one person's blood with another results from the action of plasma antibodies against RBC's antigens.
True
False
Which of the following is most likely the cause of anemia?
Any factor that creates a state of hypoxia
High altitude
Renal disease
Smoking
Which of the following is NOT true of a patient with anemia?
Their blood viscosity is increased
Their blood osmolarity is reduced
More fluid transfers from their bloodstream into their intercellular spaces.
They are lethargic
Which cells aid in the body defense processes by secreting histamine and heparin?
Platelets
Monocytes
Eosinophils
Basophils
Circulating WBC spend most of their lives in the bloodstream?
True
False
Where are most clotting factors synthesized in the body?
Kidneys
Spleen
Liver
Red bone marrow
The structural framework of a blood clot is formed by___.
Soluble fibrin
Soluble fibrinogen
Fibrin polymer
A thrombin ploymer
A fibrinogen polymer
Which of the following carry oxygen- poor blood.
Pulmonary veins and vena cavae
Aorta and vena cava
Aorta and pulmonary veins
Pulmonary arteries
Venae cavea and pulmonary arteries
When the left ventricle contracts, the ___ valve closes and the ____ valve is pushed open.
Mitral; aortic
Aortic; pulmonary
Right AV; pulmonary
Right AV; aortic
Mitral; pulmonary
Which of the following is the most superficial layer enclosing the heart?
Epicardium
Parietal pericardium
Visceral pericardium
Myocardium
Endocardium
Papillary muscles prevent the AV valves from prolapsing ( bulging) excessively into the atria when the ventricles contract
True
False
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