3. Which of the following is not correct regarding a prepotential: it is a spontaneous depolarization...

3. Which of the following is not correct regarding a prepotential:

it is a spontaneous depolarization
it occurs as the result of the influx of Ca2+ via L-type channels
it is due to "funny" current
the # of prepotentials per minute = HR

4. What would happen if you injected a drug into the papillary muscle that caused it to relax during systole (ventricular contraction)?

blood would flow from the atria into the ventricles
the tension of the chordae tendineae would increase
the ventricles would relax
the seal of the AV valves would be compromised

Solutions

Expert Solution

Sydney Mullin answered 8 months ago

Next > < Previous

Related Solutions

6. Which of the following is correct regarding total utility.

6. Which of the following is correct regarding total utility. A. Its slope is the ratio of the change in quantity of the good/the change in total utility. B Its slope is the ratio of the change in total utility/the change in marginal utility. C Its slope is the ratio of the change in marginal utility/ the change in quantity of the good. D Its slope is the ratio of the change in total utility/ the change in the...

Which of the following provides the best description of depolarization?

which of the following reactions are spontaneous?

Which of the following is/are correct regarding interest rates? Choose all the correct answers. a. Borrowers’...

Which of the following is/are correct regarding interest rates? Choose all the correct answers. a. Borrowers’ preference for long duration and lenders’ preference for short duration causes the term premium to be positive. b. Zero-coupon bonds are less sensitive to interest rate changes compared to coupon bonds with the same time to maturity. c. The yield curve is usually flat. d. Bonds with greater default risk typically trade at lower yield-to-maturities. e. An inverted yield curve serves as a negative...

Which of the following statements is correct regarding cost curves? There is more than one correct...

Which of the following statements is correct regarding cost curves? There is more than one correct answer to this question. You must mark all of the correct answers to receive full credit for this question. The average fixed cost curve is continually downward sloping. The slope of the total cost curve is marginal cost. The marginal cost curve passes through the minimum points of the average total cost curve and average fixed cost curve. The average total cost curve and...

Which of the following statements are correct regarding the structures of myoglobin and haemoglobin and their...

Which of the following statements are correct regarding the structures of myoglobin and haemoglobin and their abilities to bind oxygen? Select one or more: a. When haemoglobin has two oxygen molecules bound, it effectively has a lower affinity for oxygen than when it has no oxygen molecules bound. b. Myoglobin and haemoglobin have very similar tertiary structures. c. Myoglobin and hemoglobin have very similar quaternary structures. d. Haemoglobin is a tighter oxygen binder than myoglobin because it has a different...

Which of the following is correct regarding QuickBooks Online Chart of Accounts?

Which of the following is correct regarding QuickBooks Online Chart of Accounts? Multiple Choice By customizing the QuickBooks Online Chart of Accounts to align with the business tax return, countless hours can be saved in preparation time QuickBooks Online does not encourage editing of its Chart of Accounts since too many errors can be made by changing what was initially set up when the company was organized. QuickBooks Online does allow editing of the accounts in the Chart of Accounts, however, it only allows...

Which of the following is/are correct regarding interest rates? Pick all the correct ones. Borrowers’ preference...

Which of the following is/are correct regarding interest rates? Pick all the correct ones. Borrowers’ preference for long duration and lenders’ preference for short duration causes the term premium to be positive. Bonds with greater default risk typically trade at lower yield-to-maturities. An inverted yield curve serves as a negative indicator for the future state of the economy. Zero-coupon bonds are less sensitive to interest rate changes compared to coupon bonds with the same time to maturity. The yield curve...

Which of following is/are correct regarding stocks? Choose all correct answers. a. An already public company...

Which of following is/are correct regarding stocks? Choose all correct answers. a. An already public company issuing more shares to raise capital is referred to as an SEO. b. Stocks are generally riskier than bonds. c. Bondholders are the residual claimants of corporations' cash flows. d. Average dividend payout ratio of U.S. companies has been increasing over time. e. Stock splits reduce corporations' market capitalization.

Which of the following statements is correct regarding the admission of a new partner? A new...

Which of the following statements is correct regarding the admission of a new partner? A new partner must purchase a partnership interest directly from the business. A new partner always pays book value. The right to participate in management of the business cannot be conveyed without the consent of other existing partners. The right to share in profits and losses can be sold to a new partner without the consent of other existing partners.

Subjects