Final answer:
H2RAs are available in multiple formulations including tablets, capsules, and IV, but not all are available in oral solutions or suspensions, hence the answer is No.
Step-by-step explanation:
Not all Histamine H2-receptor antagonists (H2RAs) come in a peroral (PO) solution or suspension formulation. The answer to the question is 2) No. H2RAs, which are used to reduce stomach acid, are available in various formulations, including tablets, capsules, IV, and sometimes as oral solutions or suspensions, but not every H2RA is available in a liquid form.