A: vagal tone decrease
B: sympathetic tone increase
C: aortic nerve afferent impulse reduce
D: sinus nerve afferent impulse increase
举一反三
- Which the following statement about the change of blood pressure is<br/>wrong() A: Clip the side of the common carotid artery, and cause to raise blood<br/>pressure B: Arterial blood pressure is elevated when the sympathetic nerve is<br/>excited C: Vagus nerve inhibits heart activity and lowers arterial blood<br/>pressure D: The excitation of vagus nerve enhances heart activity and arterial<br/>blood pressure elevated E: Intravenous epinephrine, blood pressure rise
- Arterial blood pressure may be increased by() A: decreased sympathetic tone B: Venodilatation C: decreased parasympathetic tone D: decreased vasopressin hormone release E: adrenoceptor blocking drugs
- Drops of blood pressure can lead to renin release, which is mainly because A: stretch receptor of afferent arteriole B: aortic arch baroreceptor C: osmoreceptor in hypothalamus D: cardiopulmonary receptor
- Which options are the body's regulation of temperature in a cold environment A: sympathetic nerve tension increases B: skin blood vessels contract, heat loss reduces C: shivering D: basal metabolic rate increase, heat production increase
- Which of the following about arterial blood pressure is correct? A: Average arterial pressure is the average of systolic and diastolic blood pressure. B: The variation of aortic pressure and left ventricular pressure is the same. C: The variation of aortic pressure and left ventricular pressure is the same. D: Arterial blood pressure increases with age in both men and women.
内容
- 0
The following statements , _____, illustrate the functions of calcium. A: nerve cells need calcium for nerve impulse conduction B: muscle needs calcium to contract C: blood needs calcium to clot D: bone needs calcium to make itself hard
- 1
The main function of calcitonin is A: increase blood calcium and blood phosphorus B: decrease blood calcium and blood phosphorus C: decrease blood calcium and increase blood phosphorus D: increase blood calcium and decrease blood phosphorus E: involve in the normal calcium regulation
- 2
What are the factors that can regulate the arterial blood pressure? A: The stroke volume B: The peripheral resistance of vascellum C: The elasticity of aortic wall D: The volume of blood circulation
- 3
Drinking too much can increase the risk of developing high blood pressure, which can cause heart attack. （ ） A: on turn B: turn into C: in turn D: by turns
- 4
Which of the following nerves have no nervous activity? () A: Cardiac vagus nerve B: Cardiac sympathetic nerve C: Sympathetic vasoconstrictor D: Sympathetic vasodilator E: Parasympathetic nerve