answers
1. age
2. gender
3. exercise
4. body tempature Ans✓✓✓ What are other factors that influence
heart rate?
1. Alter plasma membrane permability
2. stimulate synthesis of enzymes or other protiens
3. activate or deactivate enzymes
4. induce secetory activty
5. stimulate mitosis Ans✓✓✓ How can hormone alter target cell ativity
?
1. autonomic nervous system
2. chemicals
3. other factors Ans✓✓✓ What can heart rate be regulated by?
1. Blood levels of hormones
2. relative number of receptors on/in target cells
3. affinity between receptor and hormone Ans✓✓✓ What are the
factors that target cell activation depends on?
,1. degrading ezymes
2.kidneys
3. liver Ans✓✓✓ How can hormones be removed from the body?
1. Hormone binds to the receptor
2. Receptor actiavte G protien
3. G protien actiavtes or inhibits effector enzyme adenylate cyclase
4. Adenylate cyclase then converts ATP to cAMP
5. cAMP actiavtes protien kinases that phosphorylate to other protiens
Ans✓✓✓ What is the cAMP signaling mechanism steps?
1. hypertension and edema due to excessive Na+
2. excretion of K+, leading to abnormal nonresponsive neurons
andmuscle weakness and paraylsis Ans✓✓✓ What are the two major
problems that can occur from aldosteronism?
1. preload
2. contractility
3. afterload Ans✓✓✓ What regulates Stroke Volume?
1. reproduction
2. growth and development
,3. maintenance of electrolyte, water, and nutrient balance of blood
4. regulation of cellular metabolism and energy balance
5. mobilization of body defenses Ans✓✓✓ What are three things the
endrocrine system controls and integrates?
3 phases of cardiac cycle Ans✓✓✓ 1. ventricular filling: mid to late
diastole
2.isovolumetric contraction
3. Isovolumetric relaxation
4 Ans✓✓✓ How many pulmonary veins return oxygenated blood from
the lungs?
40-60 bpm Ans✓✓✓ What is junctional rythm?
ACHT Ans✓✓✓ can cause small increases of aldosterone during period
of increased stress
acinar cells Ans✓✓✓ produce enzyme rich juice for digestion
addison's disease Ans✓✓✓ occurs when the adrenal glands do not
produce enough of the hormones cortisol or aldosterone
, adenohypophysis Ans✓✓✓ What is another name for the anterior
pituitary lobe?
adiponectin Ans✓✓✓ enhances sensitivity to insulin; release by
adipose tissue
adrenal cortex Ans✓✓✓ three layers of glandular tissue that
synthesizes and secrete several different hormone
adrenal medulla Ans✓✓✓ nervous tissue that is part of sympathetic
nervous system
Adrenocorticotropic hormone (ACTH) Ans✓✓✓ secreted by
corticoptropic cells it is the precusor to corticotropin
adrenogenital syndrome Ans✓✓✓ hypersecretion of androgens from
the adrenal gland
affinty Ans✓✓✓ strength of the bond
afterload Ans✓✓✓ pressure that ventricles must overcome to eject
blood